CN109155563A - Motor and its manufacturing method, power suit and unmanned vehicle - Google Patents
Motor and its manufacturing method, power suit and unmanned vehicle Download PDFInfo
- Publication number
- CN109155563A CN109155563A CN201780025201.9A CN201780025201A CN109155563A CN 109155563 A CN109155563 A CN 109155563A CN 201780025201 A CN201780025201 A CN 201780025201A CN 109155563 A CN109155563 A CN 109155563A
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- China
- Prior art keywords
- bearing
- housing
- cover
- shaft
- bearing holder
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
- H02K5/1672—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
A kind of motor (100) and its manufacturing method, power suit and unmanned vehicle, the motor (100) includes the rotor assembly (10) and stator module (20) worked in coordination, the rotor assembly (10) includes shaft (11), and the rotor assembly (10) and stator module (20) are connected by bearing assembly (30)；The bearing assembly (30) includes bearing holder (housing, cover) (32) and at least two bearings (31), the bearing holder (housing, cover) (32) and the stator module (20) are cooperatively connected, the socket bearing (31) in the bearing holder (housing, cover) (32), at least two bearings (31) are spaced apart from each other setting and are socketed with the shaft (11)；The bearing (31) is oiliness bearing., can be while guaranteeing the smooth rotation of shaft (11) of rotor assembly (10) according to scheme provided in this embodiment, so that the structure of motor (100) is more compact and fine, motor (100) volume is smaller.
Description
Technical field
A kind of method that the embodiment of the present invention belongs to technical field of motors more particularly to motor and manufactures the motor, and
Using the power suit and unmanned vehicle of the motor.
Background technique
Brshless DC motor is generally made of control section, electromagnet portion, structure division this three parts, structural portion therein
Divide and be divided into stator and rotor again, the interaction in magnetic field is generated after rotor and stator energization so that rotor rotation, existing rotor
Shaft be mounted on the base of motor generally by ball bearing, be limited to the structure of ball bearing, lead to motor size
It is limited, and ball bearing is easily damaged, has been easy impurity in assembling process and enters Bearing inner bearing rotation is caused to have some setbacks, shadow
Motor performance is rung, manufacture craft and the measure of precision requirement of roller bearing are very high, cause motor production cost higher.
Summary of the invention
To solve the above-mentioned problems, the embodiment of the present invention provides a kind of compact-sized New-type electric machine, which is guaranteeing
There is smaller volume, lower cost, in addition, the embodiment of the invention also provides the sides for manufacturing the motor on the basis of performance
Method, and power suit and unmanned vehicle using the motor.
On the one hand, the embodiment of the present invention provides a kind of motor, described including the rotor assembly and stator module worked in coordination
Rotor assembly includes shaft, and the rotor assembly is connected with stator module by bearing assembly；
The bearing assembly includes bearing holder (housing, cover) and at least two bearings, and the bearing holder (housing, cover) and the stator module are cooperatively connected,
The socket bearing in the bearing holder (housing, cover), at least two bearings are spaced apart from each other setting and are socketed with the shaft；The bearing
For oiliness bearing.
Motor provided by the invention connects rotor assembly and stator module by oiliness bearing fitted shaft bearing sleeve, utilizes oil-containing
Bearing does not have the architectural characteristic of Internal and external cycle and self-lubricating, while guaranteeing the smooth rotation of shaft of rotor assembly, so that electric
The structure of machine is more compact and fine, and motor volume is smaller, lower compared to using ball bearing cost.
On the other hand, the embodiment of the present invention provides a kind of power suit, is applied to unmanned vehicle, the power suit packet
Include motor and propeller, the rotation of propeller described in the motor driven；The motor include the rotor assembly worked in coordination and
Stator module, the rotor assembly include shaft, and the rotor assembly is connected with stator module by bearing assembly；
The bearing assembly includes bearing holder (housing, cover) and at least two bearings, and the bearing holder (housing, cover) and the stator module are cooperatively connected,
The socket bearing in the bearing holder (housing, cover), at least two bearings are spaced apart from each other setting and are socketed with the shaft；The bearing
For oiliness bearing.
Motor used by power provided by the invention is set with by oiliness bearing fitted shaft bearing sleeve connect rotor assembly with
Stator module does not have the architectural characteristic of Internal and external cycle and self-lubricating using oiliness bearing, is guaranteeing the smooth of the shaft of rotor assembly
While rotation, the structure of motor is more compact and fine, volume is smaller, so that power suit has smaller volume, has
Wider array of application field.
On the other hand, the embodiment of the present invention provides a kind of unmanned vehicle, and the unmanned vehicle includes fuselage, by fuselage
Outwardly extending multiple horns and the power being set on the horn are set with, and the power device includes motor and spiral
Paddle, the rotation of propeller described in the motor driven；
The motor includes the rotor assembly and stator module worked in coordination, and the rotor assembly includes shaft, and described turn
Sub-component is connected with stator module by bearing assembly；
The bearing assembly includes bearing holder (housing, cover) and at least two bearings, and the bearing holder (housing, cover) and the stator module are cooperatively connected,
The socket bearing in the bearing holder (housing, cover), at least two bearings are spaced apart from each other setting and are socketed with the shaft；The bearing
For oiliness bearing.
Motor used by unmanned vehicle provided by the invention connects rotor assembly by oiliness bearing fitted shaft bearing sleeve
With stator module, there is no the architectural characteristic of Internal and external cycle and self-lubricating using oiliness bearing, is guaranteeing the suitable of the shaft of rotor assembly
While smooth rotation, the structure of motor is more compact and fine, volume is smaller, be conducive to unmanned vehicle miniaturization with it is light
Change, compared to the motor using ball bearing, the frequency of maintenance of unmanned vehicle can also be reduced.
On the other hand, the embodiment of the present invention provides a kind of manufacturing method of motor, and the manufacturing method includes:
A rotor assembly, stator group part and a bearing assembly are provided, the rotor assembly includes shaft, the bearing group
Part includes oiliness bearing and bearing holder (housing, cover)；
An oiliness bearing is respectively loaded at the both ends of the bearing holder (housing, cover)；
The bearing holder (housing, cover) for loading the oiliness bearing and the stator module are cooperatively connected；
The shaft is installed in the oiliness bearing.
The manufacturing method assembling of motor provided by the invention is simply, it can be achieved that the quick assembling of motor, acquired motor are logical
Oiliness bearing fitted shaft bearing sleeve connection rotor assembly and stator module are crossed, does not have the knot of Internal and external cycle and self-lubricating using oiliness bearing
Structure characteristic, while guaranteeing the smooth rotation of shaft of rotor assembly, so that the structure of motor is more compact and fine, motor
Volume is smaller.
Detailed description of the invention
It, below will be to embodiment or description of the prior art in order to illustrate more clearly of the present invention or scheme in the prior art
Needed in attached drawing make one and simple introduce, it should be apparent that, the accompanying drawings in the following description is some realities of the invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the schematic diagram of motor provided in an embodiment of the present invention；
Fig. 2 is cross-sectional view of the Fig. 1 along line A-A；
Fig. 3 is the explosive view of motor provided in an embodiment of the present invention；
Fig. 4 is the enlarged diagram of A in Fig. 2；
Fig. 5 is the enlarged diagram of B in Fig. 2；
Fig. 6 is the enlarged diagram of C in Fig. 2；
Fig. 7 is the schematic diagram of power provided in an embodiment of the present invention suit；
Fig. 8 is the partial schematic diagram of unmanned vehicle provided in an embodiment of the present invention.
Description of symbols:
10 rotor assembly
11 shafts
111 annular grooves
12 rotor magnets
13 magnetic yokes
14 supporting elements
15 rotor cover boards
20 stator modules
21 stator cores
22 stator bases
30 bearing assemblies
31 bearings
32 bearing holder (housing, cover)s
321 first carrying steps
322 second carrying steps
323 limiting sections
324 first annular mating grooves
325 second annular engagement slots
33 gaskets
34 retainer rings
1 fuselage
2 horns
3 power suit
100 motors
200 propellers
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below to the technology in the embodiment of the present invention
Scheme is clearly and completely described.Unless otherwise defined, all technical and scientific terms used herein and belong to this
The normally understood meaning of those skilled in the art of invention is identical.Art as used herein in the specification of the present invention
Language, which is only for the purpose of describing specific embodiments, is not intended to limit the present invention.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
The embodiment of the present invention provides a kind of motor, including the rotor assembly and stator module worked in coordination, the rotor set
Part includes shaft, and the rotor assembly is connected with stator module by bearing assembly；
The bearing assembly includes bearing holder (housing, cover) and at least two bearings, and the bearing holder (housing, cover) and the stator module are cooperatively connected,
The socket bearing in the bearing holder (housing, cover), at least two bearings are spaced apart from each other setting and are socketed with the shaft；The bearing
For oiliness bearing.
Based on above-mentioned motor, the embodiment of the present invention also provides a kind of power suit, the power suit include motor and
Propeller, the rotation of propeller described in the motor driven；The motor includes the rotor assembly and stator module worked in coordination, institute
Stating rotor assembly includes shaft, and the rotor assembly is connected with stator module by bearing assembly；
The bearing assembly includes bearing holder (housing, cover) and at least two bearings, and the bearing holder (housing, cover) and the stator module are cooperatively connected,
The socket bearing in the bearing holder (housing, cover), at least two bearings are spaced apart from each other setting and are socketed with the shaft；The bearing
For oiliness bearing.
It is set with based on above-mentioned power, the embodiment of the present invention provides a kind of unmanned vehicle, and the unmanned vehicle includes machine
Body is set with by the outwardly extending multiple horns of fuselage and the power being set on the horn, and the power device includes motor
And propeller, the rotation of propeller described in the motor driven；
The motor includes the rotor assembly and stator module worked in coordination, and the rotor assembly includes shaft, and described turn
Sub-component is connected with stator module by bearing assembly；
The bearing assembly includes bearing holder (housing, cover) and at least two bearings, and the bearing holder (housing, cover) and the stator module are cooperatively connected,
The socket bearing in the bearing holder (housing, cover), at least two bearings are spaced apart from each other setting and are socketed with the shaft；The bearing
For oiliness bearing.
Motor used by unmanned vehicle provided by the invention connects rotor assembly by oiliness bearing fitted shaft bearing sleeve
With stator module, there is no the architectural characteristic of Internal and external cycle and self-lubricating using oiliness bearing, is guaranteeing the suitable of the shaft of rotor assembly
While smooth rotation, the structure of motor is more compact and fine, volume is smaller, be conducive to unmanned vehicle miniaturization with it is light
Change, compared to the motor using ball bearing, the frequency of maintenance of unmanned vehicle can also be reduced.
The embodiment of the present invention also provides a kind of manufacturing method of above-mentioned motor, and the manufacturing method includes:
A rotor assembly, stator group part and a bearing assembly are provided, the rotor assembly includes shaft, the bearing group
Part includes oiliness bearing and bearing holder (housing, cover)；
An oiliness bearing is respectively loaded at the both ends of the bearing holder (housing, cover)；
The bearing holder (housing, cover) for loading the oiliness bearing and the stator module are cooperatively connected；
The shaft is installed in the oiliness bearing.
Some specific embodiments that the invention will now be described in detail with reference to the accompanying drawings.
The embodiment of the present invention provides a kind of motor, can be applied to unmanned vehicle, but is not limited to be applied to unmanned vehicle,
Refering to fig. 1, Fig. 2 and Fig. 3, the motor include the rotor assembly 10 and stator module 20 worked in coordination, the rotor assembly 10
Including shaft 11, the rotor assembly 10 and stator module 20 are connected by bearing assembly 30, rotor assembly 10 and stator module
Certain gap is provided between 20, so that the rotation of rotor set is more smooth；In the present embodiment, the bearing assembly 30 wraps
31 He of bearing holder (housing, cover) 32 and at least two bearing is included, the socket bearing 31 in the bearing holder (housing, cover) 32, at least two bearings 31 are mutually
Interval setting is simultaneously socketed with the shaft 11；The bearing 31 is oiliness bearing, and oiliness bearing has the architectural characteristic of self-lubricating,
And without inside and outside coil structures, individual pen structure makes motor have lesser volume, is conducive to the miniaturization of motor, in addition, phase
Than in ball bearing, oiliness bearing is not easy to wear, the service life of motor can be extended, reduce the maintenance cost of motor.At this
In embodiment, the bearing holder (housing, cover) 32 can be to be processed to obtain by the molding mode of turning, and process is relatively easy, have compared with
High processing efficiency and lower processing cost.
In some embodiment of the invention, the internal diameter of the bearing 31 of 32 both ends of the bearing holder (housing, cover) setting or outer diameter can not
Together, for example shaft 11 may include multistage part of different thickness, can be worked in coordination with bearing holder (housing, cover) 32 and bearing 31 and bearing
31 can work in coordination with shaft 11 subject to.
In some embodiment of the invention, the bearing assembly 30 further includes the one or more gaskets being arranged in the axial direction
33, the gasket 33 is located at the side of the bearing 31 and is bonded with the bearing 31；Specifically, can bearing 31 side or
Gasket 33 is arranged in person two sides, and gasket 33 can be for buffering or seal or prevent lost material, can be elastic material,
It is also possible to rigid material.
In some embodiment of the invention, the bearing holder (housing, cover) 32 is provided with supporting part along axial both ends, in the present embodiment
In, as shown in figure 4, the supporting part may include be set in 32 inner hole of bearing holder (housing, cover), the first plummer of loading bearing 31
Rank 321, to realize the positioning and fixation of bearing holder (housing, cover) 32, in some embodiments, the supporting part at 32 both ends of bearing holder (housing, cover) can be with
The second carrying step 322 including being set in 32 inner hole of bearing holder (housing, cover), carrying gasket 33.
In embodiments of the present invention, the rotor assembly 10 further includes rotor magnet 12 and magnetic yoke 13, and the magnetic yoke 13 is
Hollow cylinder open at one end, the rotor magnet 12 are set to inside the magnetic yoke 13, the setting of the magnetic yoke 13 closed one end
There is axially extending bore, the shaft 11 is fixedly installed in the axially extending bore；In some embodiments, the shaft 11 with it is described
Magnetic yoke 13 is fixed by way of riveting.In some embodiments, magnetic yoke 13 can be used stamping forming mode and obtain, processed
Journey is relatively easy, processing efficiency with higher and lower processing cost.
In some embodiments, as shown in Figure 2 or Figure 3, the rotor assembly 10 further includes supporting element 14, the supporting element
14 are set to inside the magnetic yoke 13, and the rotor magnet 12 is fixed on the supporting element 14, wherein the rotor magnet 12
It can be fixed by way of gluing with the supporting element 14；In further embodiments, the rotor assembly 10 is also possible to
Not comprising supporting element 14, but support portion is set in 13 inner wall of magnetic yoke, the rotor magnet 12 is fixed on the support portion.
In some embodiments, the mode that injection molding can be used in supporting element 14 obtains, and process is relatively easy, with higher to add
Work efficiency rate and lower processing cost.
In embodiments of the present invention, the stator module 20 includes stator core 21 and stator base 22, the bearing holder (housing, cover)
32 are fixedly connected with the stator base 22, and the stator core 21 is set in outside the bearing holder (housing, cover) 32.In the present embodiment,
The stator core 21 is located inside the magnetic yoke 13, and the stator core 21 is located at the bearing holder (housing, cover) 32 and the rotor magnetic
Between iron 12.In some embodiments, stator base 22 can be obtained using stamping forming mode, and process is relatively simple
It is single, processing efficiency with higher and lower processing cost.
In some embodiments, as shown in figure 5, the shaft 11 is provided with turning close to one end of the stator base 22
Molding annular groove 111, the bearing assembly 30 further include retainer ring 34, and the retainer ring 34 is set in the annular groove 111, with
The axial movement for limiting the shaft 11 prevents shaft 11 and bearing 31 from bearing 31 being caused to wear with respect to sliding, in this implementation
In example, retainer ring 34 is needed using wear-resisting material.In some embodiments, the outer ring of the retainer ring 34 can be connected to the axis
In the limiting section 323 being arranged on bearing sleeve 32, so that the retainer ring 34 is between the shaft 11 and the bearing holder (housing, cover) 32, and institute
It states between retainer ring 34 and the bearing 31 that there are certain gaps, while not being contacted directly with the bearing 31 closed on；Another
In a little embodiments, the outer ring of the retainer ring 34 can also be clamped in the limiting section being arranged on the stator base 22 (not shown),
The limiting section can be limited ring groove.
In some embodiments, the mode that gluing can be used with the bearing holder (housing, cover) 32 in the stator core 21 is fixed, described
The mode that riveting can be used with the stator base 22 in bearing holder (housing, cover) 32 is fixed.In some embodiments, as shown in figure 5, the axis
The position that bearing sleeve 32 is connect with the stator base 22 is additionally provided with first annular mating groove 324, can be in the first annular cooperation
Elastic tape is set in slot 324, so that the connection of bearing holder (housing, cover) 32 and stator base 22 is more stable.In some embodiments, such as Fig. 6
Shown, the position that shown bearing holder (housing, cover) 32 is connect with the stator core 21 is additionally provided with the second annular engagement slot 325, can this
Elastic tape is set in second ring mating groove 325, so that the connection of bearing holder (housing, cover) 32 and stator core 21 is more stable.
In some embodiments, shown rotor assembly 10 further includes rotor cover board 15, and shown rotor cover board 15 is arranged in institute
The side for stating the opening of magnetic yoke 13, connect, while rotor cover board 15 is also set on bearing holder (housing, cover) 32 with magnetic yoke 13, and rotor cover board 15 is used
In sealing magnetic yoke 13.In some embodiments, shown stator module 20 further includes stator cover board (not shown), and stator cover board is used for
Sealed stator pedestal 22 is connect with stator base 22, and is set on the bearing holder (housing, cover) 32.
Compared with prior art, motor provided in an embodiment of the present invention at least has the following beneficial effects:
(1) rotor assembly 10 and stator module 20 are connected by oiliness bearing fitted shaft bearing sleeve 32, do not had using oiliness bearing
There is the architectural characteristic of Internal and external cycle and self-lubricating, while guaranteeing the smooth rotation of shaft 11 of rotor assembly 10, so that motor
Structure it is more compact and fine, since oil-bearing structure is simple, and size is small, does not take up space, and motor volume is smaller；
(2) simple for assembly process since electric machine structure is more exquisite simple, convenient for improving processing efficiency；
(3) compared to ball bearing is used, oiliness bearing is not easy to wear, can extend the service life of motor, reduces electricity
The maintenance cost of machine；
(4) processing and assembling of each structural member of motor more use Sheet Metal Forming Technology, riveting process and simple vehicle
Processing is cut, the process of Electric machine structure part is greatly simplified, improves processing efficiency, reduce processing cost.
(5) pass through setting gasket 33, it is ensured that particulate material can not carry out inside oiliness bearing, guarantee the steady of motor
Fixed work.
The motor provided based on the above embodiment, the embodiment of the present invention also provide a kind of power suit, fly applied to nobody
Row device, as shown in fig. 7, power suit includes motor 100 and propeller 200 described in above-described embodiment, the motor
The 100 driving propellers 200 rotate.The structure of motor 100 described in the present embodiment can be with reference to the phase in above-described embodiment
Hold inside the Pass, details are not described herein.Motor 100 used by power provided by the invention is set with passes through oiliness bearing fitted shaft bearing sleeve
32 connection rotor assembly 10 and stator module 20, do not have the architectural characteristic of Internal and external cycle and self-lubricating using oiliness bearing, are guaranteeing
While the smooth rotation of the shaft 11 of rotor assembly 10, the structure of motor 100 is more compact and fine, volume is smaller, so that
Power suit has smaller volume, has wider array of application field.
The power suit provided based on the above embodiment, the embodiment of the present invention also provides a kind of unmanned vehicle, such as Fig. 8 institute
Show, the unmanned vehicle includes fuselage 1, by the outwardly extending multiple horns 2 of fuselage 1 and is set to dynamic on the horn 2
Power suit 3, the power device include motor 100 and propeller 200, and the motor 100 drives the propeller 200 to revolve
Turn, wherein the motor 100 in the present embodiment is motor 100 described in above-described embodiment, motor 100 described in the present embodiment
Structure can be with reference to the related content in above-described embodiment, and details are not described herein.Unmanned vehicle provided by the invention is used
Motor 100 rotor assembly 10 and stator module 20 are connected by oiliness bearing fitted shaft bearing sleeve 32, do not have using oiliness bearing
Internal and external cycle and the architectural characteristic of self-lubricating, while guaranteeing the smooth rotation of shaft 11 of rotor assembly 10, the knot of motor 100
Structure is more compact and fine, volume is smaller, is conducive to unmanned vehicle miniaturization and lighting, compared to using ball bearing
Motor 100 can also reduce the frequency of maintenance of unmanned vehicle.
The embodiment of the present invention also provides a kind of manufacturing method of motor, in conjunction with Fig. 1 to Fig. 6 to provided in an embodiment of the present invention
Manufacturing method carries out related description, and in the present embodiment, the manufacturing method includes:
One rotor assembly 10, stator group part 20 and a bearing assembly 30 are provided, the rotor assembly 10 includes shaft 11,
The bearing assembly 30 includes bearing 31 and bearing holder (housing, cover) 32, and the bearing 31 is oiliness bearing；
A bearing 31 is respectively loaded at the both ends of the bearing holder (housing, cover) 32；
The bearing holder (housing, cover) 32 for loading the bearing 31 is fixedly connected with the stator module 20；
The shaft 11 is installed in the bearing 31.
In some embodiment of the invention, it includes step that the both ends in the bearing holder (housing, cover) 32, which respectively load a bearing 31,
It is rapid: mandrel being set in 31 inner ring of bearing, the bearing 31 with mandrel is loaded in the bearing holder (housing, cover) 32；Accordingly
, described be socketed in the shaft 11 further includes the steps that removing the mandrel in the bearing 31.By the way that mandrel is arranged,
It can prevent bearing 31 from causing inner hole to become smaller because being squeezed during bearing 31 is loaded in bearing holder (housing, cover) 32, after being conducive to
Continuous carry assembles shaft 11 in bearing 31.
In some embodiment of the invention, the manufacturing method further includes providing one or more gaskets 33, by the pad
Piece 33 is installed on the bearing holder (housing, cover) 32, and the gasket 33 is made to be bonded 31 step of bearing.
In some embodiment of the invention, it includes step that the both ends in the bearing holder (housing, cover) 32, which respectively load a bearing 31,
It is rapid: in the bearing holder (housing, cover) 32 along axial both ends setting carrying step, and the bearing 31 to be loaded on the carrying step.
In some embodiments, the manufacturing method further includes the steps that forming the bearing holder (housing, cover) 32 by turnery processing.
In some embodiment of the invention, the rotor assembly 10 further includes rotor magnet 12 and magnetic yoke 13, the magnetic yoke
13 be hollow cylinder open at one end；The manufacturing method further include: in the magnetic yoke 13 closed one end, axially extending bore is set,
The shaft 11 is fixedly installed in the axially extending bore；The rotor magnet 12 is set to inside the magnetic yoke 13.One
In a little embodiments, the manufacturing method further includes the steps that forming the magnetic yoke 13 by punch process.In some embodiments,
The described shaft 11 is fixedly installed in the axially extending bore includes fixing the shaft 11 and the magnetic yoke 13 riveting
The step of.
In some embodiment of the invention, a supporting element 14 is provided, it is described that the rotor magnet 12 is set to the magnetic yoke
13 inside are comprising steps of the supporting element 14 is set to inside the magnetic yoke 13, and the rotor magnet 12 is fixed on institute
It states on supporting element 14；Wherein, the manufacturing method further includes the steps that forming the supporting element 14 by injection molding；It is described to incite somebody to action
It includes with the supporting element 14 by the rotor magnet 12 with the side of gluing that the supporting element 14, which is set to inside the magnetic yoke 13,
The fixed step of formula, then in 13 inner ring gluing of magnetic yoke, recycles equipment handle specifically, supporting element 14 is put into magnetic yoke 13
Rotor magnet 12 is loaded into, and using the position of 14 fixed rotor magnet 12 of supporting element, recycles jig correction rotor magnet 12
Oven cooking cycle is put into after pose to cement rotor magnet 12.In further embodiments, described to set the rotor magnet 12
In 13 inside of magnetic yoke comprising steps of support portion is arranged in 13 inner wall of magnetic yoke, and the rotor magnet 12 is fixed on
The support portion.
In some embodiment of the invention, the stator module 20 includes stator core 21 and stamping forming stator base
22, it is described to be fixedly connected with the bearing holder (housing, cover) 32 for loading the bearing 31 with the stator module 20 comprising steps of be described
Bearing holder (housing, cover) 32 is connect with the stator base 22, and the stator core 21 is set in outside the bearing holder (housing, cover) 32.Some
In embodiment, the manufacturing method further include: annular groove is set close to one end of the stator base 22 in the shaft 11；It mentions
For a retainer ring 34, the retainer ring 34 is mounted on the stator base 22, and the retainer ring 34 is set in the annular groove
It is interior；Wherein, in some embodiments, described to include close to one end of the stator base 22 setting annular groove in the shaft 11
The step of forming the annular groove by turnery processing.In some embodiments, it is described the retainer ring 34 is mounted on it is described fixed
On sub- pedestal 22, and the retainer ring 34 is set in the annular groove comprising steps of the retainer ring 34 is set to described turn
Between axis 11 and the bearing holder (housing, cover) 32, and make to keep certain gap between the retainer ring 34 and the bearing 31.In the present invention
In some embodiments, it is described the bearing holder (housing, cover) 32 is connect with the stator base 22 including by the bearing holder (housing, cover) 32 with it is described fixed
Sub- pedestal 22 rivets fixed step.In some embodiment of the invention, the stator core 21 is set in the bearing holder (housing, cover)
Include the steps that outside 32 the stator core 21 and 32 gluing of bearing holder (housing, cover) is fixed.
The manufacturing method assembling of motor provided by the invention is simply, it can be achieved that the quick assembling of motor, acquired motor are logical
31 fitted shaft bearing sleeve 32 of bearing connection rotor assembly 10 and stator module 20 is crossed, using bearing 31 without Internal and external cycle and self-lubricating
Architectural characteristic, guarantee rotor assembly 10 shaft 11 smooth rotation while, the structure of obtained motor it is more compact and
Finely, volume is smaller.
Obviously, embodiments described above is only a part of the embodiment of the present invention, instead of all the embodiments, attached
Presently preferred embodiments of the present invention is given in figure, but is not intended to limit the scope of the patents of the invention.The present invention can be with many differences
Form realize, on the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.Although the present invention is described in detail referring to the foregoing embodiments, for coming for those skilled in the art,
Can still modify to technical solution documented by aforementioned each specific embodiment, or to part of technical characteristic into
Row equivalence replacement.All equivalent structures done using description of the invention and accompanying drawing content, are directly or indirectly used in other
Relevant technical field, similarly within the invention patent protection scope.
Claims (57)
1. a kind of motor, including the rotor assembly and stator module worked in coordination, the rotor assembly includes shaft, and feature exists
In the rotor assembly is connected with stator module by bearing assembly；
The bearing assembly includes bearing holder (housing, cover) and at least two bearings, and the bearing holder (housing, cover) and the stator module are cooperatively connected, described
The socket bearing in bearing holder (housing, cover), at least two bearings are spaced apart from each other setting and are socketed with the shaft；The bearing be containing
Oil bearing.
2. motor according to claim 1, which is characterized in that the bearing assembly further includes one be arranged in the axial direction
Or multiple pads, the gasket are located at the side of the bearing and are bonded with the bearing.
3. motor according to claim 1, which is characterized in that the bearing holder (housing, cover) is provided with plummer along axial both ends
Rank, the carrying step are correspondingly arranged the bearing.
4. motor according to claim 1, which is characterized in that the rotor assembly further includes rotor magnet and punch forming
Magnetic yoke, the magnetic yoke is hollow cylinder open at one end, and the rotor magnet is set to inside the magnetic yoke, magnetic yoke closing
One end be provided with axially extending bore, the shaft is fixedly installed in the axially extending bore.
5. motor according to claim 4, which is characterized in that the shaft and the magnetic yoke are consolidated by way of riveting
It is fixed.
6. motor according to claim 4, which is characterized in that the magnetic yoke inner wall is provided with support portion, the rotor magnetic
Ferropexy is in the support portion.
7. motor according to claim 4, which is characterized in that the rotor assembly further includes the supporting element of injection molding,
The supporting element is set to inside the magnetic yoke, and the rotor magnet is fixed on the supporting element.
8. motor according to claim 7, which is characterized in that the rotor magnet and the supporting element are in a manner of gluing
It is fixed.
9. motor according to claim 1, which is characterized in that the stator module includes stator core and stamping forming
Stator base, the bearing holder (housing, cover) are fixedly connected with the stator base, and the stator core is set in outside the bearing holder (housing, cover).
10. motor according to claim 9, which is characterized in that the shaft is arranged close to one end of the stator base
There is the molding annular groove of turning, the bearing assembly further includes retainer ring, and the retainer ring is set in the annular groove, to limit
State the axial movement of shaft.
11. motor according to claim 10, which is characterized in that the retainer ring be located at the shaft and the bearing holder (housing, cover) it
Between, and there are certain gaps between the retainer ring and the bearing.
12. motor according to claim 9, which is characterized in that the bearing holder (housing, cover) and the stator base are using riveting
Mode is fixed.
13. motor according to claim 9, which is characterized in that the stator core and the bearing holder (housing, cover) are with the side of gluing
Formula is fixed.
14. a kind of power suit, is applied to unmanned vehicle, which is characterized in that the power suit includes propeller and motor,
The rotation of propeller described in the motor driven；
The motor includes the rotor assembly and stator module worked in coordination, and the rotor assembly includes shaft, the rotor set
Part is connected with stator module by bearing assembly；
The bearing assembly includes bearing holder (housing, cover) and at least two bearings, and the bearing holder (housing, cover) and the stator module are cooperatively connected, described
The socket bearing in bearing holder (housing, cover), at least two bearings are spaced apart from each other setting and are socketed with the shaft；The bearing be containing
Oil bearing.
15. power suit according to claim 14, which is characterized in that the bearing assembly further includes being arranged in the axial direction
One or more gaskets, the gasket is located at the side of the bearing and is bonded with the bearing.
16. power suit according to claim 14, which is characterized in that the bearing holder (housing, cover) is provided with along axial both ends and holds
Microscope carrier rank, the carrying step are correspondingly arranged the bearing.
17. power suit according to claim 14, which is characterized in that the rotor assembly further includes rotor magnet and punching
Molded magnetic yoke, the magnetic yoke are hollow cylinder open at one end, and the rotor magnet is set to inside the magnetic yoke, the magnetic
The closed one end of yoke is provided with axially extending bore, and the shaft is fixedly installed in the axially extending bore.
18. power suit according to claim 17, which is characterized in that the side that the shaft and the magnetic yoke pass through riveting
Formula is fixed.
19. power suit according to claim 17, which is characterized in that the magnetic yoke inner wall is provided with support portion, described
Rotor magnet is fixed on the support portion.
20. power suit according to claim 17, which is characterized in that the rotor assembly further includes the branch of injection molding
Support member, the supporting element are set to inside the magnetic yoke, and the rotor magnet is fixed on the supporting element.
21. power suit according to claim 20, which is characterized in that the rotor magnet and the supporting element are with gluing
Mode fix.
22. power suit according to claim 14, which is characterized in that the stator module includes stator core and punching press
Molding stator base, the bearing holder (housing, cover) are fixedly connected with the stator base, and the stator core is set in the bearing holder (housing, cover)
It is external.
23. power suit according to claim 22, which is characterized in that the shaft is close to one end of the stator base
It is provided with the molding annular groove of turning, the bearing assembly further includes retainer ring, and the retainer ring is set in the annular groove, with limit
Make the axial movement of the shaft.
24. power suit according to claim 23, which is characterized in that the retainer ring is located at the shaft and the bearing
Between set, and there are certain gaps between the retainer ring and the bearing.
25. power suit according to claim 22, which is characterized in that the bearing holder (housing, cover) and the stator base use riveting
The mode connect is fixed.
26. power suit according to claim 22, which is characterized in that the stator core and the bearing holder (housing, cover) are with gluing
Mode fix.
27. a kind of unmanned vehicle, which is characterized in that the unmanned vehicle includes fuselage, outwardly extending multiple by fuselage
Horn and the power being set on the horn are set with, and the power device includes propeller and motor, the motor driven institute
State propeller rotation；
The motor includes the rotor assembly and stator module worked in coordination, and the rotor assembly includes shaft, the rotor set
Part is connected with stator module by bearing assembly；
The bearing assembly includes bearing holder (housing, cover) and at least two bearings, and the bearing holder (housing, cover) and the stator module are cooperatively connected, described
The socket bearing in bearing holder (housing, cover), at least two bearings are spaced apart from each other setting and are socketed with the shaft；The bearing be containing
Oil bearing.
28. unmanned vehicle according to claim 27, which is characterized in that the bearing assembly further includes setting in the axial direction
The one or more gaskets set, the gasket are located at the side of the bearing and are bonded with the bearing.
29. unmanned vehicle according to claim 27, which is characterized in that the bearing holder (housing, cover) is provided with along axial both ends
Step is carried, the carrying step is correspondingly arranged the bearing.
30. unmanned vehicle according to claim 27, which is characterized in that the rotor assembly further include rotor magnet and
Stamping forming magnetic yoke, the magnetic yoke are hollow cylinder open at one end, and the rotor magnet is set to inside the magnetic yoke, described
The closed one end of magnetic yoke is provided with axially extending bore, and the shaft is fixedly installed in the axially extending bore.
31. unmanned vehicle according to claim 30, which is characterized in that the shaft and the magnetic yoke pass through riveting
Mode is fixed.
32. unmanned vehicle according to claim 30, which is characterized in that the magnetic yoke inner wall is provided with support portion, institute
It states rotor magnet and is fixed on the support portion.
33. unmanned vehicle according to claim 30, which is characterized in that the rotor assembly further includes injection molding
Supporting element, the supporting element are set to inside the magnetic yoke, and the rotor magnet is fixed on the supporting element.
34. unmanned vehicle according to claim 33, which is characterized in that the rotor magnet and the supporting element are with glue
Viscous mode is fixed.
35. unmanned vehicle according to claim 27, which is characterized in that the stator module includes stator core and punching
Molded stator base, the bearing holder (housing, cover) are fixedly connected with the stator base, and the stator core is set in the bearing
Set is external.
36. unmanned vehicle according to claim 35, which is characterized in that the shaft close to the stator base one
End is provided with the molding annular groove of turning, and the bearing assembly further includes retainer ring, and the retainer ring is set in the annular groove, with
Limit the axial movement of the shaft.
37. unmanned vehicle according to claim 36, which is characterized in that the retainer ring is located at the shaft and the axis
Between bearing sleeve, and there are certain gaps between the retainer ring and the bearing.
38. unmanned vehicle according to claim 35, which is characterized in that the bearing holder (housing, cover) and the stator base use
The mode of riveting is fixed.
39. unmanned vehicle according to claim 35, which is characterized in that the stator core and the bearing holder (housing, cover) are with glue
Viscous mode is fixed.
40. a kind of manufacturing method of motor, which is characterized in that the manufacturing method includes:
A rotor assembly, stator group part and a bearing assembly are provided, the rotor assembly includes shaft, the bearing assembly packet
Include oiliness bearing and bearing holder (housing, cover)；
An oiliness bearing is respectively loaded at the both ends of the bearing holder (housing, cover)；
The bearing holder (housing, cover) for loading the oiliness bearing and the stator module are cooperatively connected；
The shaft is installed in the oiliness bearing.
41. manufacturing method according to claim 40, which is characterized in that the both ends in the bearing holder (housing, cover) respectively load one
The oiliness bearing comprising steps of
Mandrel is set in the oiliness bearing inner ring, the oiliness bearing with mandrel is loaded in the bearing holder (housing, cover)；
Described be socketed in the shaft further includes the steps that removing the mandrel in the oiliness bearing.
42. manufacturing method according to claim 40, which is characterized in that the manufacturing method further includes providing one or more
The gasket is installed on the bearing holder (housing, cover) by a gasket, and the gasket is made to be bonded the oiliness bearing step.
43. manufacturing method according to claim 40, which is characterized in that the both ends in the bearing holder (housing, cover) respectively load one
The oiliness bearing comprising steps of
In the bearing holder (housing, cover) along axial both ends setting carrying step, and the oiliness bearing is loaded into the carrying step
On.
44. manufacturing method according to claim 40, which is characterized in that the manufacturing method further includes passing through turnery processing
The step of forming the bearing holder (housing, cover).
45. manufacturing method according to claim 40, which is characterized in that the rotor assembly further includes rotor magnet and magnetic
Yoke, the magnetic yoke are hollow cylinder open at one end；
The manufacturing method further include:
Axially extending bore is set in the magnetic yoke closed one end, the shaft is fixedly installed in the axially extending bore；
The rotor magnet is set to inside the magnetic yoke.
46. manufacturing method according to claim 45, which is characterized in that the manufacturing method further includes passing through punch process
The step of forming the magnetic yoke.
47. manufacturing method according to claim 45, which is characterized in that described that the shaft is fixedly installed on the axis
Into through-hole comprising steps of
The shaft and magnetic yoke riveting are fixed.
48. manufacturing method according to claim 45, which is characterized in that described that the rotor magnet is set to the magnetic yoke
It is internal comprising steps of
Support portion is set in the magnetic yoke inner wall, and the rotor magnet is fixed on the support portion.
49. manufacturing method according to claim 45, which is characterized in that a supporting element is provided, it is described by the rotor magnetic
Iron be set to inside the magnetic yoke comprising steps of
The supporting element is set to inside the magnetic yoke, and the rotor magnet is fixed on the supporting element.
50. manufacturing method according to claim 49, which is characterized in that the manufacturing method further includes passing through injection molding
The step of forming the supporting element.
51. manufacturing method according to claim 45, which is characterized in that described that the supporting element is set to the magnetic yoke
It is internal comprising steps of
The rotor magnet and the supporting element are fixed in a manner of gluing.
52. manufacturing method according to claim 40, which is characterized in that the stator module includes stator core and punching press
Molding stator base, it is described to be fixedly connected with the bearing holder (housing, cover) for loading the oiliness bearing including step with the stator module
It is rapid:
The bearing holder (housing, cover) is connect with the stator base, and the stator core is set in outside the bearing holder (housing, cover).
53. manufacturing method according to claim 52, which is characterized in that further include:
Annular groove is set close to one end of the stator base in the shaft；
One retainer ring is provided, the retainer ring is mounted on the stator base, and the retainer ring is set in the annular groove.
54. manufacturing method according to claim 53, which is characterized in that it is described in the shaft close to the stator base
One end setting annular groove comprising steps of
The annular groove is formed by turnery processing.
55. manufacturing method according to claim 53, which is characterized in that described that the retainer ring is mounted on the stator bottom
On seat, and the retainer ring is set in the annular groove comprising steps of
The retainer ring is set between the shaft and the bearing holder (housing, cover), and makes to keep one between the retainer ring and the bearing
Fixed gap.
56. manufacturing method according to claim 52, which is characterized in that described by the bearing holder (housing, cover) and the stator base
Connection comprising steps of
The bearing holder (housing, cover) and stator base riveting are fixed.
57. manufacturing method according to claim 52, which is characterized in that the stator core is set in the bearing holder (housing, cover)
It is external comprising steps of
The stator core and the bearing holder (housing, cover) gluing are fixed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/120068 WO2019127446A1 (en) | 2017-12-29 | 2017-12-29 | Electric motor and manufacturing method therefor, and power set and unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109155563A true CN109155563A (en) | 2019-01-04 |
Family
ID=64803467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780025201.9A Pending CN109155563A (en) | 2017-12-29 | 2017-12-29 | Motor and its manufacturing method, power suit and unmanned vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109155563A (en) |
| WO (1) | WO2019127446A1 (en) |
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| CN205469814U (en) * | 2016-03-31 | 2016-08-17 | 深圳市大疆创新科技有限公司 | Motor and have power device , Unmanned vehicles of this motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040245873A1 (en) * | 2003-06-03 | 2004-12-09 | Ideal Elethermal Inc. | Motor having magnetic oil seal structure |
| CN201290059Y (en) * | 2008-09-12 | 2009-08-12 | 瑞声声学科技(深圳)有限公司 | Pole-shaped vibrating motor |
| CN106516143A (en) * | 2016-12-22 | 2017-03-22 | 深圳市万至达电机制造有限公司 | High-performance tripod head |
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|---|---|---|---|---|
| JPH09294345A (en) * | 1996-04-25 | 1997-11-11 | Tokyo Parts Ind Co Ltd | Fan motor and its manufacture |
| JP2000324751A (en) * | 1999-05-14 | 2000-11-24 | Matsushita Electric Ind Co Ltd | Dc brushless fan motor |
| CN203027058U (en) * | 2011-10-19 | 2013-06-26 | 美蓓亚株式会社 | Motor for disk rotation and disk driving device provided with the same |
| CN105099108A (en) * | 2014-05-22 | 2015-11-25 | 华为技术有限公司 | Fan motor and fan |
| CN204408228U (en) * | 2014-12-17 | 2015-06-17 | 南京沃特电机有限公司 | A kind of brshless DC motor water pump |
| CN105673715A (en) * | 2016-03-30 | 2016-06-15 | 重庆齿轮箱有限责任公司 | Pre-tightening tool, pre-tightening method and adjusting method for axial play of roller bearing |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019127446A1 (en) | 2019-07-04 |
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